What you'll build with retailerapi

Six workflows we already see customers shipping. Pick the one closest to what you do.

Resellers

Online arbitrage

Source from Amazon, sell on Walmart. Or vice versa. Find the spread before everyone else does.

  • ·UPC/ASIN lookup across retailers
  • ·Sales velocity + 100+ bought tags
  • ·Active sellers + Buy-Box history
Brands & 3P sellers

Brand protection

Catch unauthorized resellers, MAP violations, and rogue listings before they tank your margins.

  • ·Daily seller-list snapshots
  • ·Price-floor breach alerts
  • ·New listing detection by brand
Agent builders

AI agents

MCP-ready endpoints. Drop our server into Claude Desktop, Cursor, or your own agent and it just works.

  • ·Native MCP server (open-source)
  • ·Predictable token costs
  • ·Schema-stable responses for tool use
Software vendors

Repricers

Stop scraping Walmart. We've already done it. Pipe our firehose into your repricer and ship faster.

  • ·Webhook event firehose
  • ·Sub-minute price refresh on hot SKUs
  • ·Bulk endpoints for catalog sync
Operators

Dropshipping

Build supplier-side automation against real, fresh retailer data. No more "out of stock" surprises.

  • ·Real-time stock & price
  • ·Affiliate-aware product pages
  • ·Cross-retailer inventory check
Analysts

Business intelligence

Category-level price + assortment intel that beats whatever Excel sheet you scraped together.

  • ·Category rankings, top-N reports
  • ·Historical price + sales depth
  • ·Bulk export to your warehouse

See your use case here in 6 months?

Start free, build what you need, and tell us what's missing. Most of our roadmap comes from customer pain.